#LUCA
#Prokaryote vs Eukaryote
#Gram Positive/Negative
#LUCA
#Prokaryote vs Eukaryote
#Gram Positive/Negative
One of the most important outcomes of modern biology is the demonstration of the unity of life
In 1857, Charles Darwin sent a letter to Thomas Huxley in which he wrote: “The time will come I believe, though I shall not live to see it, when we shall have very fairly true genealogical trees of each great kingdom of nature.”
Gram stain separates bacteria into Gram-positive (purple, thick wall) and Gram-negative (pink/red, thin wall) groups. This is a classification system, not a universal rule for every bacterial species